20021 - Museum Grade Trident 3.19 Inch Walliserops trifurcatus Middle Devonian Trilobite Squalicorax Impressive natural association of 10

Impressive natural association of 10 huge vertebrae of this unidentified mosasaur species in its phosphatic matrix

Classically

Plagioclase crystals appear in interstitial position with olivine in the chondrules

Family MOSASAURIDAE Gervais

updated 9 Jan 2013)

20021 - Museum Grade Trident 3.19 Inch Walliserops trifurcatus Middle Devonian Trilobite Squalicorax Impressive natural association of 10Impressive specimen, prepared in an exceptional way. This trilobite with his forked trident has been prepared partially as free standing along with its beautiful spines. This type of preparation requires meticulous work of tens of hours. Of course, many of the spines during the preparation process have been fractured and glued again, with slight restorations in the fracture zones. A preparation like this without small restorations is impossible. It is